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ADS1202 bảng dữ liệu(PDF) 1 Page - Texas Instruments |
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ADS1202 bảng dữ liệu(HTML) 1 Page - Texas Instruments |
1 / 25 page ADS1202 SBAS275B – DECEMBER 2002 – REVISED JULY 2004 www.ti.com DESCRIPTION The ADS1202 is a precision, 80dB dynamic range, delta- sigma ( ∆Σ) modulator operating from a single +5V supply. The differential inputs are ideal for direct connections to transducers or low-level signals. With the appropriate digital filter and modulator rate, the device can be used to achieve 16-bit Analog-to-Digital (A/D) conversion with no missing codes. Effective resolution of 12 bits can be maintained with a digital filter bandwidth of 10kHz at a modulator rate of 10MHz. The ADS1202 is designed for use in medium reso- lution measurement applications including current measure- ments, smart transmitters, industrial process control, weigh scales, chromatography, and portable instrumentation. It is available in a TSSOP-8 package. FEATURES q 16-BIT RESOLUTION q 13-BIT LINEARITY q RESOLUTION/SPEED TRADE-OFF: 10-Bit Effective Resolution with 20 µs Signal Delay (12-bit with 77 µs) q ±250mV INPUT RANGE WITH SINGLE 5V SUPPLY q 2% INTERNAL REFERENCE VOLTAGE q 2% GAIN ERROR q FLEXIBLE SERIAL INTERFACE WITH FOUR DIFFERENT MODES q IMPLEMENTED TWINNED BINARY CODING AS SPLIT PHASE OR MANCHESTER CODING FOR ONE LINE INTERFACING q OPERATING TEMPERATURE RANGE: –40 °C to +85°C PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. Copyright © 2002-2004, Texas Instruments Incorporated Motor Control Current Shunt 1-Bit, 10MHz, 2nd-Order, Delta-Sigma Modulator Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. APPLICATIONS q MOTOR CONTROL q CURRENT MEASUREMENT q INDUSTRIAL PROCESS CONTROL q INSTRUMENTATION q SMART TRANSMITTERS q PORTABLE INSTRUMENTS q WEIGHT SCALES q PRESSURE TRANSDUCERS Buffer Reference Voltage 2.5V 2nd-Order ∆∑ Modulator RC Oscillator 20MHz Interface Circuit MDAT MCLK M0 M1 V IN+ V IN– V DD GND |
Số phần tương tự - ADS1202 |
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Mô tả tương tự - ADS1202 |
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